Shenzhen SG Electronic Co., Ltd. Add: 4/F, Building 1, Quanxinyuan Industrial Park, Huafan Road, Dalang Town, Longhua New District, Shenzhen 518109, Guangdong Province, China Tel: +86-0755-23733542 Fax: +86-0755-23733542-810 Email: sales@sino-sg.com Domestic Sales: Tim Huang Mobile: +86 13418880523 (WeChat) QQ: 3200019689